20091505923

素因数分解:

$3^4\times {\mathrm{641}}^1\times {\mathrm{386963}}^1$

素因数の和:387616

約数の個数: 20

約数和(自身を含む): 30060137448

約数和(自身を除く): 9968631525

約数列:

[1, 3, 9, 27, 81, 641, 1923, 5769, 17307, 51921, 386963, 1160889, 3482667, 10448001, 31344003, 248043283, 744129849, 2232389547, 6697168641, 20091505923]

約数ペア:

[(1, 20091505923), (3, 6697168641), (9, 2232389547), (27, 744129849), (81, 248043283), (641, 31344003), (1923, 10448001), (5769, 3482667), (17307, 1160889), (51921, 386963)]